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时间:2020-03-21
《复杂路堑高边坡病害治理效果模糊层次评价.pdf》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、JournalofEngineeringGeology工程地质学报1004-9665/2014/22(5)093608DOI:10.13544/j.cnki.jeg.2014.05.024复杂路堑高边坡病害治理效果模糊层次评价①①①②②②王浩林一夫吴栋梁泮俊赵晓峰王晓东(①福州大学环境与资源学院资源与城乡建设系福州350116)(②中国公路工程咨询集团有限公司中咨华科交通建设技术有限公司北京100195)摘要双永高速公路K227滑坡由于地形高陡、地质复杂、环境敏感、施工困难等因素成为典型的复杂超高路堑边坡和项目建设及运营养护的关注焦点。为评价该边坡病害治理效果,在长期
2、参与其治理过程的实践、思考、评价和监控基础上,从地形条件、地质条件、环境条件、应力调整和变形控制等方面构建复杂路堑高边坡安全评价指标体系、特征状态量化标准和各评价指标权值。结合模糊综合评判法、专家权威系数修正和最大隶属度原则,建立复杂路堑高边坡安全评估的模糊层次评价模型和评估方法,并与极限平衡法和有限元法计算成果、以及治理前后的现场变形迹象调查和持续性变形监测结果对比分析,对K227滑坡病害治理效果进行综合评判,并证明其是评价复杂路堑高边坡病害治理效果的有效方法。关键词路堑边坡治理效果稳定性评价层次分析法模糊评判中图分类号:U416.1+4文献标识码:AFUZZYHIERA
3、RCHYANALYSISFORTREATMENTEFFECTOFCOMPLEXCUTTINGHIGHSLOPEDISEASE①①①②②②WANGHaoLINYifuWUDongliangPANJunZHAOXiaofengWANGXiaodong(①CollegeofEnvironmentandResources,FuzhouUniversity,Fuzhou350116)(②ChinaHighwayEngineeringConsultingCorporation,ZhongZiHuaKeTrafficConstructionTechnologyCo.,Ltd.,Beiji
4、ng100195)AbstractForitshighandsteepterrain,complexgeology,sensitiveenvironmentsandconstructiondifficulties,K227landslideofShuangyonghighwaybecameatypicalcomplexcuttingultrahighslopeandthefocusofconcernduringconstructingandmaintaining.Basedonpractice,thinking,evaluationandmonitoringinthelon
5、gtermgovernanceprocessofparticipation,throughtheanalysisofterrainconditions,geologicalconditions,environmentalconditions,stressadjustmentanddeformationcontrol,thesafetyevaluationindexessystemoftheslopewasbuilt.Theweightofeachindexwascalculatedbyanalytichierarchyprocess.Withfuzzycomprehens
6、iveevaluationmethod,expertauthorityfactorcorrectionandmaximumsubordinationdegreeprinciple,thecomprehensivemodelforslopesafetyevaluationwasestablished.Meanwhile,thecalculationoflimitequilibriummethodandfiniteelementanalysis,andmonitoringrecordsinsitehadconfirmedthesafetyevaluationresult.The
7、refore,itwasprovedtobeaneffectivemethodforevaluatingtreatmenteffectofcomplexcuttinghighslopedisease.KeywordsCuttingslope,Treatmenteffect,Stabilityevaluation,Analyticalhierarchyprocess,Fuzzyanalysis收稿日期:2014-05-26;收到修改稿日期:2014-07-01.基金项目:国家自然科学基金(41002127),福建省
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